<template>
    <div class='container'>
        <el-form :inline='true' :model='dataForm' @keyup.enter.native='getDataList()'>
            <el-form-item>
                <el-button type='primary' @click='addOrUpdateHandle()'>新增</el-button>
                <el-button type='danger' @click='deleteHandle()' :disabled='dataListSelections.length <= 0'>批量删除
                </el-button>
            </el-form-item>
        </el-form>
        <el-table
            :data='dataList'
            border
            v-loading='dataListLoading'
            @selection-change='selectionChangeHandle'
            style='width: 100%;'>
            <el-table-column
                type='selection'
                header-align='center'
                align='center'
                width='50'>
            </el-table-column>
            <el-table-column
                prop='id'
                header-align='center'
                align='center'
                width='80'
                label='ID'>
            </el-table-column>
            <el-table-column
                prop='question'
                header-align='center'
                align='center'
                label='问题'>
            </el-table-column>
            <el-table-column
                prop='answer'
                header-align='center'
                align='center'
                label='回答'>
            </el-table-column>
            <el-table-column
                fixed='right'
                header-align='center'
                align='center'
                width='150'
                label='操作'>
                <template slot-scope='scope'>
                    <el-button type='text' size='small' @click='addOrUpdateHandle(scope.row.id)'>修改</el-button>
                    <el-button type='text' size='small' @click='deleteHandle(scope.row.id)'>删除</el-button>
                </template>
            </el-table-column>
        </el-table>
        <el-pagination
            style='margin-top: 10px'
            @size-change='sizeChangeHandle'
            @current-change='currentChangeHandle'
            :current-page='pageIndex'
            :page-sizes='[10, 20, 50, 100]'
            :page-size='pageSize'
            :total='totalPage'
            layout='total, sizes, prev, pager, next, jumper'>
        </el-pagination>
        <!-- 弹窗, 新增 / 修改 -->
        <add-or-update v-if='addOrUpdateVisible' ref='addOrUpdate' @refreshDataList='getDataList'></add-or-update>
    </div>
</template>

<script>
import AddOrUpdate from './faq-add-or-update';
import apis from '@/api/apis';

export default {
    data() {
        return {
            dataForm: {
                paramKey: ''
            },
            dataList: [],
            pageIndex: 1,
            pageSize: 10,
            totalPage: 0,
            dataListLoading: false,
            dataListSelections: [],
            addOrUpdateVisible: false
        };
    },
    components: {
        AddOrUpdate
    },
    created() {
        this.getDataList();
    },
    methods: {
        // 获取数据列表
        getDataList() {
            this.dataListLoading = true;
            var params = {
                'page': this.pageIndex,
                'limit': this.pageSize
            };
            apis.getFaqData(params).then(data => {
                if (data && data.code === 0) {
                    this.dataList = data.page.list;
                    this.totalPage = data.page.totalCount;
                } else {
                    this.dataList = [];
                    this.totalPage = 0;
                }
                this.dataListLoading = false;
            });
        },
        // 每页数
        sizeChangeHandle(val) {
            this.pageSize = val;
            this.pageIndex = 1;
            this.getDataList();
        },
        // 当前页
        currentChangeHandle(val) {
            this.pageIndex = val;
            this.getDataList();
        },
        // 多选
        selectionChangeHandle(val) {
            this.dataListSelections = val;
        },
        // 新增 / 修改
        addOrUpdateHandle(id) {
            this.addOrUpdateVisible = true;
            this.$nextTick(() => {
                this.$refs.addOrUpdate.init(id);
            });
        },
        // 删除
        deleteHandle(id) {
            var ids = id ? [id] : this.dataListSelections.map(item => {
                return item.id;
            });
            this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                apis.deleteFaq(ids).then(data => {
                    if (data && data.code === 0) {
                        this.$message({
                            message: '操作成功',
                            type: 'success',
                            duration: 1500,
                            onClose: () => {
                                this.getDataList();
                            }
                        });
                    } else {
                        this.$message.error(data.msg);
                    }
                });
            }).catch(() => {
            });
        }
    }
};
</script>
